34.　 On r____________ to his house from work ,he found a letter in the mail-box.　 (returning)

33.　 He worked very hard. As a r___________ ,he got a great success in his experiment.　 (result)

32.　 Is there a r______________ near here? I’m hungry now.　 (restaurant)

31.　 Please allow me to express our warm welcome to our r______________ guests.　 (respectable)

30.　 The results of the r_________ show that the earth goes a little faster when it is closer to the sun.

(research)

29.　 The teacher r________　 that all the work should be finished before school was over.　 (required)

28.　 The professor came to our school to give lectures at our r_______________. (request)

27.　 I’ll r_____________ the thief to the police.　 (report)

26.　 Would you mind r____________ your question?　 (repeating)

25.　 The bottle cap r__________ easily.　 (removes)